I am providing some sample interview questions for the vsnl - videsh sanchar nigam limited technical interview held in the year 2007 at Delhi.
This is the second round i.e. is the interview. They took 20 minutes for the interview in all.
A panel of 2 interviewers asked me the following technical questions.
They can ask your favorite subject. You must tell the one for which you are very comfortable.
Some sample questions are:
Whats a network
Give some points of difference between OSI and TCP/IP
Differentiate between switches, bridges and routers.
Which one do you think is the best of all three?
Are LAN and WAN different? If yes, then whats the difference between them?
What is the Capacitance of the coaxial cables.
Note: As you can see most questions are from the electrical and electronics communication background.
Tell me something about the maxwell equations.
Shenon's equations.
What amplitude modulation or AM?
FM, PM (frequency, phase)
What S / N Ratio or signal to noise ratio?
Some communication related basic questions as vsnl is itself a communications related company. Whats GSM, CDMA, Satellite communication, etc.
Different types of amplifiers, etc.
So these are the questions asked in the vsnl placement test paper held at Delhi for B.tech candidates on 31st July 2007. Good luck!
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